Defensive publication

ABSTRACT

POLYCARBONATES ARE RENDERED FIRE RETARDANT BY ADMIXING THEREWITH A FIRE -RETARDING COMPOUND OF THE GENERAL FORMULA   WHERE XI S BR OR CL, Y IS AN INTEGER FROM 0 TO 4 AND Z IS GREATER THAN 1.

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 18. 1989. 869 0.0. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages oi! specification. including claims and sheets of drawings contained in the application as originally died. The flies ot these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Once make! no assertion as to the novelty oi the disclosed subject matter.

PUBLISHED SEPTEMBER 3, 1974 T926,009 FIRE-RETARDANT POLYCARBONATES Jurgen H. Exner, 1823 Eastlawn, and Eric R. Larsen, 314 W. Meadowbrook, both of Midland, Mich. 48640 Filed Jan. 28, 1974, Ser. No. 437,424 Int. Cl. C08d 7/10 U.S. Cl. 26045.7 R No Drawing. 6 Pages Specification Polycarbonates are rendered fire retardant by admixing therewith a fire-retarding compound of the general formula where X is Br or Cl, y is an integer from 0 to 4 and Z is greater than 1. 

